Read the information about bats and make the bat glasses.
Other ideas:
Invent a bat poem:  E.g. I'm a little bat, I'm small and fat, I'm a mammal like a cat. 
I'm a Halloween bat, I dine on gnats, I use echolocation, so I don't go splat!
What else do you know about Bats?
True or False - Bats are diurnal, Bats eat insects, Bats are mammals, Bats have good eyesight etc.

halloween-bat-glasses-fun-activities-games-worksheet-templates-layouts_60410.doc

Halloween bat glasses

halloween-bat-glasses

Read the information about bats and make the bat glasses.
Other ideas:
Invent a bat poem:  E.g. I'm a little bat, I'm small and fat, I'm a mammal like a cat.…